Table 1 Descriptive statistics
Variable | All(N=3540) | Gender | Marital status | ||
|---|---|---|---|---|---|
Man (N=1677) | Woman (N=1863) | Married (N = 2492) | Divorced\widowed\never married (N = 1048) | ||
mean(SD) | |||||
 Depression | 10.15(6.97) | 9.01(6.48) | 11.18(7.23) | 9.75(6.77) | 11.11(7.33) |
 Age | 69.41(6.60) | 69.73(6.70) | 69.13(6.50) | 68.12(5.99) | 72.49(6.97) |
 Numbers of Chronic diseases | 0.88(1.13) | 0.89(1.15) | 0.88(1.11) | 0.88(1.11) | 0.89(1.18) |
 Ln(econimic support) | 7.07(2.77) | 7.05(2.85) | 7.09(2.71) | 7.13(2.78) | 6.94(2.75) |
 Numbers of Children | 3.46(1.65) | 3.42(1.62) | 3.49(1.67) | 3.26(1.54) | 3.92(1.80) |
N(%) | |||||
 Care | |||||
  Provide | 1383(39.07) | 662(39.48) | 721(38.7) | 1076(43.18) | 307(29.29) |
  Not provide | 2157(60.93) | 1015(60.52) | 1142(61.3) | 1416(56.82) | 741(70.71) |
 Contact frequencey | |||||
  Seldom | 32(0.90) | 21(1.25) | 11(0.59) | 20(0.80) | 12(1.15) |
  Hardly | 576(16.27) | 301(17.95) | 275(14.76) | 437(17.54) | 139(13.26) |
  Almost every month | 485(13.70) | 249(14.85) | 236(12.67) | 367(14.73) | 118(11.26) |
  Almost every week | 583(16.47) | 288(17.17) | 295(15.83) | 433(17.38) | 150(14.31) |
  Almost every day | 706(19.94) | 310(18.49) | 396(21.26) | 508(20.39) | 198(18.89) |
  Living together | 1158(32.71) | 508(30.29) | 650(34.89) | 727(29.17) | 431(41.13) |
 Gender | |||||
  Male | 1677(47.37) |  |  | 1387(55.66) | 290(27.67) |
  Female | 1863(52.63) |  |  | 1105(44.34) | 758(72.33) |
 Marital status | |||||
  Married | 2492(70.40) | 1387(82.71) | 1105(59.31) |  |  |
  Divorced\widowed\never married | 1048(29.6) | 290(17.29) | 758(40.69) |  |  |
 Education | |||||
  Primary school or below | 2678(75.65) | 1110(66.19) | 1568(84.17) | 1807(72.51) | 871(83.11) |
  Junior high school | 535(15.11) | 345(20.57) | 190(10.20) | 427(17.13) | 108(10.31) |
  Senior high school | 279(7.88) | 192(11.45) | 87(4.67) | 225(9.03) | 54(5.15) |
  College or above | 48(1.36) | 30(1.79) | 18(0.97) | 33(1.32) | 15(1.43) |
 Residence | |||||
  Urban areas | 929(26.24) | 406(24.21) | 523(28.07) | 635(25.48) | 294(28.05) |
  Rural areas | 2611(73.76) | 1271(75.79) | 1340(71.93) | 1857(74.52) | 754(71.95) |
 Pension | |||||
  Participate in | 727(20.54) | 414(24.69) | 313(16.8) | 544(21.83) | 183(17.46) |
  Not participate in | 2813(79.46) | 1263(75.31) | 1550(83.2) | 1948(78.17) | 865(82.54) |
 Types of medical insurance | |||||
  Urban employee medical insurance | 513(14.49) | 284(16.94) | 229(12.29) | 377(15.13) | 136(12.98) |
  Urban and rural resident insurance | 446(12.60) | 202(12.05) | 244(13.10) | 309(12.40) | 137(13.07) |
  Urban resident medical insurance | 161(4.55) | 58(3.46) | 103(5.53) | 107(4.29) | 54(5.15) |
  New rural cooperative medicial insurance | 2329(65.79) | 1075(64.10) | 1254(67.31) | 1631(65.45) | 698(66.6) |
  Other | 91(2.57) | 58(3.46) | 33(1.77) | 68(2.73) | 23(2.19) |
 ADL | |||||
  No difficulty | 2464(69.60) | 1231(73.40) | 1233(66.18) | 1805(72.43) | 659(62.88) |
  Difficulty | 1076(30.40) | 446(26.60) | 630(33.82) | 687(27.57) | 389(37.12) |